工業(yè)控制計(jì)算機(jī)，是一種采用總線結(jié)構(gòu)，對生產(chǎn)過程及其機(jī)電設(shè)備、工藝裝備進(jìn)行檢測與控制的工具總稱。它具有重要的計(jì)算機(jī)屬性和特征，如：具有計(jì)算機(jī)CPU、硬盤、內(nèi)存、外設(shè)及接口、并有實(shí)時(shí)的操作系統(tǒng)、控制網(wǎng)絡(luò)和協(xié)議、計(jì)算能力，友好的人機(jī)界面等.工控機(jī)的主要類別有：IPC（PC總線工業(yè)電腦）、PLC（可編程控制系統(tǒng)）、DCS（分散型控制系統(tǒng)）、FCS（現(xiàn)場總線系統(tǒng)）及CNC（數(shù)控系統(tǒng)）五種
工控技術(shù)的出現(xiàn)和推廣帶來了
第三次工業(yè)革命，使工廠的生產(chǎn)速度和效率提高了300%以上。20世紀(jì)80年代初，隨著改革開放的春風(fēng)，國外 先進(jìn)的工控技術(shù)進(jìn)入中國大陸，比較廣泛使用的工業(yè)控制產(chǎn)品有“PLC，變頻器，伺服電機(jī)，工控機(jī)”等。這些產(chǎn)品和技術(shù)大力推動(dòng)了中國的
制造業(yè)自動(dòng)化進(jìn)程，為中國現(xiàn)代化的建設(shè)作出了巨大的貢獻(xiàn)。
工控主要核心領(lǐng)域是在大型電站，航空航天，水壩建造，工業(yè)溫控加熱，陶瓷領(lǐng)域有著不可替代的優(yōu)勢。
例如：電站電網(wǎng)的實(shí)時(shí)監(jiān)控需要采集大量的數(shù)據(jù)值，并進(jìn)行綜合處理，工控技術(shù)的介入方便處理了大量的信息。
工控出現(xiàn)完善了制造業(yè)和建造業(yè)的安全和精準(zhǔn)，解決原本需要的溫度、壓力、氣體流量、液體流量等工業(yè)需要。在原本需要半自動(dòng)化與手動(dòng)化工作演變?yōu)樽詣?dòng)化進(jìn)行，包括常見的空氣開關(guān)、壓力變送器、流量表等。
工控工作原理：比如空氣開關(guān)的功率控制，當(dāng)使用電器其功率過大，內(nèi)部機(jī)械原理開始運(yùn)行導(dǎo)致開關(guān)自動(dòng)斷開，以此保障工業(yè)或建筑安全用電和準(zhǔn)確尋找短路源。
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